User Guide

190-00443-01 Rev. AGarmin G1000 PFD Pilot’s Guide for Mooney M20M & M20R

3-24

FLIGHT INSTRUMENTS

Navigation Source

The HSI can display two sources of navigation, GPS

or NAV (VOR, localizer, and glideslope). In GPS mode

the ﬂight plan legs are sequenced automatically. Enabling

OBS mode suspends auto sequencing of waypoints, but

retains the current “active-to” waypoint as the navigation

reference even after passing the waypoint. When OBS is

disabled, the GPS returns to normal operation, with au

tomatic sequencing of waypoints. OBS mode also allows

the pilot to set the desired course TO/FROM a waypoint.

Color indicates the current navigation source, magen

ta (for GPS ) or green (for VOR and LOC). As the user

crosses the MAP, “SUSP” appears on the HSI in place of

OBS and the

OBS softkey now reads “SUSP”, indicating

that automatic sequencing of approach waypoints is sus-

pended at the MAP. A yellow ‘INTEG’ and ‘WARN’ may

appear on the HSI when the following occurs:

• INTEG – RAIM is not available

• WARN – GPS detects a position error

To change between navigation sources:

1. Press the

CDI softkey to change from GPS to

VOR1 or LOC1. This places the cyan tuning box

over the NAV1 standby frequency in the upper

left corner of the PFD.

2. Press the

CDI softkey again to change from

VOR1 or LOC1 to VOR2 or LOC2. This places

the cyan tuning box over the NAV2 standby

frequency.

3. Press the

CDI

softkey a third time to return to

GPS.

To enable/disable OBS mode while navigating

with GPS

1. Press the

OBS softkey to select OBS Mode.

2. Turn the small CRS knob to select the desired

course TO/FROM the waypoint.

3. Press the OBS softkey again to return to normal

operation.

Figure 3.4.26 GPS INTEG, GPS SUSP, LOC1 and VOR2